Installing Battery

Get the 2200 mAh battery and Handle B ready.

Orient the battery so the cable is upright.

Then, place the battery onto the built-in clips on the half of the handle.

Installing Button

Get the wired push button ready.

Insert the included hex nut to the body of the push button.

Place the push button into the designated spot on the Handle B part.

Ensure the hex nut is tightened to the wall of the 3D printed part.

Position the battery and button wires through the opening near the top of the part.

Close Handle Halves

Fit and join the other half of the handle with the battery and button wires fitted through the opening.

Secure Handle

Use 3x  M3 x 10mm long machine screws to secure the two halves of the handle together.

OLED Screen Cover

Use 4x M2.5 x 6mm long screws to secure the OLED PCB to the Screen Cover.

Orient the OLED PCB with the 3D printed screen cover.

Secure OLED to Cover

Place the OLED over the screen covers built-in standoffs with the mounting holes lined up.

Insert and fasten the M2.5 machine screws to secure the OLED to the screen cover.

Rotary & OLED Cases

Get the 3D printed rotary encoder breakout and OLED cases ready.

Secure Rotary & OLED Cases

Position the rotary and OLED cases so the mounting holes are lined up correctly.

Insert the rotary case into the OLED case.

Use the M2.5 machine screws to secure the two parts together.

PCB Mount Hardware

Get the various 3D printed parts ready. Use M3 x 20mm long machine screws to secure these parts together.

• PCB Mount
• PCB Standoff
• Canister A
• Canister Coupler

PCB Mount Installation

Insert the two M3 machine screws through the PCB mount and the PCB standoff.

Place the Canister A part through the threads of the M3 screws.

Ensure the orientation of the parts match the assembly photo.

Install Canister Coupler

Place the Canister Coupler onto the flat side of the Canister A part.

Ensure the M3 screw threads are going through the couplers mounting holes.

Attach Coupler to OLED Casing

Begin placing the Canister Coupler onto the side of the OLED case with the M3 screws fitted through the mounting holes.

Ensure the parts orientation are matching the assembly photo.

Secure Coupler

Use two M3 hex nuts to secure the Canister subassembly to the OLED casing.

Install LED Noodle to Holder

Get the wired LED noodle and LED noodle holder ready.

Press the noodle into the channel of the LED noodle holder.

Ensure the length of the LED noodle is equally divided in half on the 3D printed holder.

Bulb & Coupler

Get the plastic bulb and 3D printed bulb coupler ready.

Plastic bulbs can be purchased here.

Install LED Holder to Bulb

Fit the 3D printed LED holder into the plastic bulb. Push the holder all the way through the plastic bulb.

Install Shield & Coupler

Fit the 3D printed shield onto the thread of the plastic bulb.

Thread the LED wires through the bulb coupler, then fasten the 3D printed coupler onto the thread of the plastic bulb.

LED Noodle Assembly

Ensure the coupler has been tightened onto the shield and plastic bulb.

Install Speaker

Peel the off the protective layer from the face of the speaker.

Position the speaker so it's facing the slit inside the OLED case.

Firmly press the speaker onto the inside of the OLED case to stick it in place.

Install Speaker Cable

Thread the speaker cable through the hole inside OLED case.

Pull the speaker cable through the canister coupler, PCB standoff and PCB mount.

Install LED Assembly

Begin joining the bulb coupler to the rotary case.

Insert the LED noodle wires through the hole in the rotary case.

Pull the LED noodle wires through the rotary case and out of the OLED case.

Install Bulb to Rotary Case

Press fit the bulb coupler into the hole of the rotary case.

Thread and pull the LED wires through the canister coupler, PCB standoff, and PCB mount.

Install STEMMA QT to OLED

Connect the STEMMA QT to the OLED breakout.

Installing Rotary Cable

Insert the STEMMA QT cable from the rotary encoder through the slot opening in the rotary case and pull it through the OLED case.

Place the rotary encoder breakout onto the rotary case's built-in standoffs and line up the mounting holes.

Secure Rotary

Use four M2.5 x 6mm long machine screws to secure the rotary encoder STEMMA QT breakout to the built-in standoffs.

Install Handle Cables

Begin joining the handle subassembly to the OLED case.

Insert and pull the battery cable and button wires through the hole on the OLED case.

Secure Handle

Fit the handle subassembly in between the mounting tabs on the OLED case.

Position the handle so the mounting holes are lined up with the mounting tabs on the OLED case.

Use four M2.5mm x 6mm long machine screws to secure the handle subassembly to the OLED case.

PCB Mount Handle Cables

Insert and pull the battery cable and button wires through the hole in the canister coupler, PCB standoff and PCB mount.

OLED STEMMA QT

Connect the second STEMMA QT cable to the port on the left of the OLED breakout.

Connect the STEMMA QT cable from the rotary encoder to the port on the right of the OLED breakout.

PCB Mount OLED Cable

Insert and pull the STEMMA QT cable through the canister coupler, PCB standoff and PCB mount.

Install OLED Cover

Firmly press the OLED cover onto the OLED casing to snap fit them together.

Ensure the OLED cover is oriented correctly with the OLED case.

Install Switch

Fit the slide switch onto the PCB mount.

The body of the slide switch should fit in between the two standoffs.

Connect Battery

Plug in the battery cable into the battery port on the Feather.

Connect STEMMA QT Cable

Plug in the STEMMA QT cable onto the STEMMA QT port on the Feather.

Connect Speaker Cable

Insert the two speaker wires into the designated speaker pins on the Feather screw-block terminals.

Use a small flat head screwdriver to secure the wires to the Feather screw-block terminals.

Connect Button

Insert one of the wires from the button to the designated button pin on the Feather screw-block terminal.

Secure the wire to the screw-block terminal.

Connect LED

Insert the anode wire from the LED noodle to the designated 5V pin on the Feather screw-block terminal.

Secure the wire to the screw-block terminal.

Connect Ground Wires

Insert the ground wire from the button and LED noodle to the designated ground pin on the Feather's screw-block terminal.

Secure the two wires to the screw-block terminal.

Secure Feather to PCB Mount

Place the Feather onto the PCB mount's standoffs.

Use two M2.5 x 6mm long machine screws to secure the Feather to the PCB mount.

Secured Feather

Take a moment to ensure the Feather has been properly secured to the PCB Mount.

Install Canister Cover

Snap fit the Canister B part onto Canister A.

Canister Topper

Use a single M3 x 6mm long screw to secure the two canister top pieces together.

Install Canister Topper

Press the canister topper over the two canister halves.

Install Canister Bottom Cover

Orient the canister bottom cover with the Feather USB-C port and the slide switch.

Press the canister bottom cover under the two canister halves.

Install Rotary Cover

Orient the rotary cover with the rotary case so the snap fit parts are lined up.

Firmly press the rotary cover onto the rotary case.

Install Rotary Knob

Orient the knob with the shaft of the rotary encoder.

Press fit the 3D printed knob onto the shaft of the rotary encoder.

OLED Test

Use the slide switch to power on the Feather. The OLED will display the audio wave file names.

Final Build

Congratulations on your build!

To charge the battery, use a 5V 1A USB power supply. 

Usage

Use the slide slide to power the Feather on and off.

Turn the rotary dial to cycle through the list of audio files.

Press the pushbutton to play the highlight audio file and light up the LED.

The LED will stay lit while pressing the push button.